Fixed log.warning format. Trig next round when all messages got.
More benchmark config options.
Removed centralized namespaces.
Merge branch 'master' of github.com:cowboy129/spray-socketio into cowboy129-master

Conflicts:
	src/main/scala/spray/contrib/socketio/examples/benchmark/SocketIOTestServer.scala
Fixed timeout logic.
Use OnFrame instead of OnPayload for ws.
add cluster support